Method for producing a multi-ply web of flexible material, such as paper and nonwoven, and multi-ply material produced by the method
US7063766B2 · kind B2 · utility
7Cited by
4References
8Claims
0Family size
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Key dates
| Filing date | Apr 9, 2003 |
| Grant date | Jun 20, 2006 |
| Priority date | — |
| Expiry date | Jan 27, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2481
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Method for producing a multi-ply web comprising at least three plies of flexible material, such as paper and nonwoven material and a multi-ply product produced according to the method. A first and second ply are glued together with a first glue pattern and a second and third ply are glued together with a second glue pattern which is applied offset with respect to the first glue pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.